JP7429620B2 - Brake control device for human-powered vehicles - Google Patents

Description

The present invention relates to a brake control device for a human-powered vehicle.

For example, Patent Document 1 discloses a brake control device for a human-powered vehicle. The brake control device of Patent Document 1 includes a brake operating device and a valve that is connected to the brake operating device and controls fluid inside the brake control device.

German Patent Application No. 102019118949

One of the objects of the present invention is to provide a brake control device for a human-powered vehicle that can improve convenience.

A brake control device according to a first aspect of the present invention is a brake control device for a human-powered vehicle, and includes a first connecting portion configured to be connectable to a brake operating device, and configured to be connectable to a brake operating device. a second connection part; a third connection part connecting the first connection part and the second connection part; a valve that controls movement of fluid inside the third connection part, a state in which the brake operating device is not connected to the first connection part and the brake operating device is not connected to the second connection part. In this case, the third connecting portion is filled with the fluid.
According to the brake control device of the first aspect, when the brake operating device is not connected to the first connecting portion and the brake operating device is not connected to the second connecting portion, the fluid flows inside the third connecting portion. Filled. Therefore, when the brake operating device is connected to the first connecting portion and the brake operating device is connected to the second connecting portion, it is possible to reduce the effort of filling the inside of the third connecting portion with fluid, which increases convenience. can be improved.

In the brake control device of the second aspect according to the first aspect, in a state in which the brake operating device is not connected to the first connecting portion and the brake operating device is not connected to the second connecting portion, the fluid is A sealing member is provided for sealing the filled third connection portion.
According to the brake control device of the second aspect, since the third connecting portion can be sealed by the sealing member, the state in which the third connecting portion is filled with fluid can be suitably maintained.

A brake control device according to a third aspect of the present invention is a brake control device for a human-powered vehicle, and includes a first connecting portion configured to be connectable to a brake operating device, and configured to be connectable to a brake operating device. a second connection part, a third connection part that connects the first connection part and the second connection part, and a third connection part provided in the third connection part, the first connection part, the second connection part, and a valve for controlling movement of fluid inside the third connection part; and a state in which the brake operation device is not connected to the first connection part and the brake operation apparatus is not connected to the second connection part; and a sealing member that seals the third connection portion filled with fluid.
According to the brake control device of the third aspect, when the brake operating device is not connected to the first connecting portion and the brake operating device is not connected to the second connecting portion, the fluid flows inside the third connecting portion. Filled. Therefore, when the brake operating device is connected to the first connecting portion and the brake operating device is connected to the second connecting portion, the effort of filling the inside of the third connecting portion with fluid can be reduced, which increases convenience. can be improved. Further, since the third connecting portion can be sealed with the sealing member, the state in which the third connecting portion is filled with fluid can be suitably maintained.

In the brake control device according to the fourth aspect according to the second or third aspect, the seal member includes a first seal member provided at the first connection portion, a second seal member provided at the second connection portion, Equipped with
According to the brake control device of the fourth aspect, the third connection portion is filled with fluid by the first seal member provided in the first connection portion and the second seal member provided in the second connection portion. can be maintained suitably.

In the brake control device of the fifth aspect according to the fourth aspect, the first connection part includes a brake hose, and the brake hose has a first end part connected to the third connection part, and the first end part. a second end opposite the brake hose, and the first seal member is provided at the second end of the brake hose.
According to the brake control device of the fifth aspect, since the first seal member is provided at the second end of the brake hose, it is possible to maintain a state in which the inside of the brake hose is also filled with fluid.

In the brake control device of the sixth aspect according to the fourth or fifth aspect, the second connection part is formed integrally with the third connection part.
According to the brake control device of the sixth aspect, the second sealing member can be provided at the second connecting portion formed integrally with the third connecting portion.

In the brake control device of the seventh aspect according to any one of the fourth to sixth aspects, the first seal member is removably attached to the first connecting portion.
According to the brake control device of the seventh aspect, the first seal member is removably attached to the first connection portion, so that the first seal member can be easily handled.

In the brake control device of the eighth aspect according to any one of the fourth to seventh aspects, the second sealing member is removably provided in the second connecting portion.
According to the brake control device of the eighth aspect, the second seal member is removably provided on the second connection portion, so that the second seal member can be easily handled.

In the brake control device according to the ninth aspect according to any one of the fourth to eighth aspects, at least one of the first seal member and the second seal member has a first tip capable of penetrating an external seal member. Department.
According to the brake control device of the ninth aspect, the first tip portion can penetrate the external seal member.

In the brake control device of the tenth aspect according to any one of the fourth to eighth aspects, at least one of the first sealing member and the second sealing member is penetrated by an external member having a second tip. a membrane portion configured to allow
According to the brake control device according to the tenth aspect, the membrane portion can be penetrated by the second tip of the external member.

In the brake control device according to the eleventh aspect according to any one of the fourth to eighth aspects, one of the first seal member and the second seal member has a first pointed end that can penetrate an external seal member. The other of the first seal member and the second seal member includes a membrane portion configured to be penetrable by an external member having a second pointed end.
According to the brake control device of the eleventh aspect, the first pointed end can penetrate the external sealing member, and the second pointed end of the external member can penetrate the membrane part.

In the brake control device of the twelfth aspect according to any one of the fourth to eleventh aspects, the first seal member is used in a first closed state and a first open state, and the first seal member is used in a first closed state and a first open state, In a state in which the operating device is not connected, the first seal member is in the first closed state, and in a state in which the brake operating device is connected to the first connection portion, the first seal member is in the first open state. It is.
According to the brake control device of the twelfth aspect, when the brake operating device is not connected to the first connection portion, the first seal member is in the first closed state, so that the first seal member allows fluid to flow to the third connection portion. The filled state can be suitably maintained.

In the brake control device of the thirteenth aspect according to any one of the fourth to twelfth aspects, the second seal member is used in a second closed state and a second open state, and the second seal member is used in a second closed state and a second open state, When the actuating device is not connected, the second seal member is in the second closed state, and when the brake actuating device is connected to the second connection portion, the second seal member is in the second open state. It is.
According to the brake control device of the thirteenth aspect, when the brake actuating device is not connected to the second connection portion, the second seal member is in the closed state, so that the third connection portion is filled with fluid by the second seal member. The state can be suitably maintained.

In the brake control device of the fourteenth aspect according to any one of the second to eleventh aspects, the sealing member is used in a closed state and an open state, and the brake operating device is connected to the first connection part. Based on at least one of the above, and the fact that the brake actuating device is connected to the second connection portion, the sealing member changes from the closed state to the open state.
According to the brake control device of the fourteenth aspect, based on at least one of the brake operating device being connected to the first connecting portion and the brake operating device being connected to the second connecting portion, the seal The member changes from the closed state to the open state. Therefore, fluid can flow between the third connection portion, the brake operating device, and the brake operating device.

In the brake control device according to any one of the second to fourteenth aspects, the sealing member is filled inside the first connecting portion, the second connecting portion, and the third connecting portion. The liquid crystal display device includes an expansion/absorbing portion that changes a volume that accommodates the fluid in accordance with a change in the volume of the fluid.
According to the brake control device according to the fifteenth aspect, the expansion/absorption section can respond to changes in the volume of the fluid due to changes in the temperature, atmospheric pressure, and the like.

In the brake control device according to the sixteenth aspect according to the fifteenth aspect, the sealing member includes a covering portion that covers the expansion absorbing portion.
According to the brake control device of the sixteenth aspect, the expansion absorbing portion can be protected by the covering portion.

In the brake control device of the seventeenth aspect according to any one of the first to fourteenth aspects, the fluid filled inside the first connection part, the second connection part, and the third connection part is The device includes an expansion/absorbing portion that changes the volume that accommodates the fluid in accordance with a change in volume.
According to the brake control device according to the seventeenth aspect, the expansion/absorption section can cope with changes in the volume of the fluid due to changes in the temperature, atmospheric pressure, and the like.

In the brake control device of the eighteenth aspect according to any one of the fifteenth to seventeenth aspects, the expansion/absorption section includes a member having elasticity.
According to the brake control device of the eighteenth aspect, the expansion/absorption portion can be formed by a member having elasticity.

The brake control device for a human-powered vehicle of the present disclosure can improve convenience.

FIG. 1 is a side view of a brake system for a human-powered vehicle according to an embodiment. FIG. 3 is a perspective view of the brake control device for the human-powered vehicle in FIG. 2; FIG. 2 is a schematic diagram showing the configuration of the brake system for the human-powered vehicle in FIG. 1; FIG. 2 is a sectional view showing the structure near the housing of the first connection portion in FIG. 1; FIG. 2 is a cross-sectional view showing the structure of a portion of the first connection portion of FIG. 1 in which a first seal member is provided. FIG. 3 is a cross-sectional view showing the structure near the second connection portion in FIG. 2; FIG. 6 is a cross-sectional view of the first seal member shown in FIG. 5 in the first open state. FIG. 7 is a sectional view of the second seal member in FIG. 6 in a second open state. FIG. 7 is a cross-sectional view showing a seal member, a peripheral portion where the seal member is provided, and external members in a brake system for a human-powered vehicle according to a first modification. FIG. 7 is a sectional view of external members of a brake system for a human-powered vehicle according to a second modification.

<Embodiment>
A brake control device 20 for a human-powered vehicle according to an embodiment will be described with reference to FIGS. 1 to 8. A human-powered vehicle is a vehicle that has at least one wheel and can be driven by at least human-powered driving force. Human-powered vehicles include various types of bicycles, such as mountain bikes, road bikes, city bikes, cargo bikes, hand bikes, and recumbent bikes. The number of wheels that a human-powered vehicle has is not limited. Human-powered vehicles also include, for example, unicycles and vehicles with three or more wheels. A human-powered vehicle is not limited to a vehicle that can be driven solely by human-powered driving force. Human-powered vehicles include e-bikes that use not only human-powered driving force but also electric motor driving force for propulsion. E-bikes include electrically assisted bicycles whose propulsion is assisted by an electric motor. In the following embodiments, the human-powered vehicle will be described as a bicycle.

The brake control device 20 constitutes the brake system 10 of the human-powered vehicle. Brake system 10 further includes a brake control device 20, a brake operating device 12, and a brake operating device 14.

The brake operating device 12 is provided, for example, on a handlebar of a human-powered vehicle. The brake actuation device 14 is configured to brake the wheels. The brake actuation device 14 may be a disc brake, a rim brake, or a roller brake. In this embodiment, the brake actuation device 14 is a disc brake. The brake actuation device 14 includes a caliper. Preferably, brake system 10 is a fluid-actuated brake system 10. Preferably the fluid is hydraulic fluid.

The brake control device 20 includes a first connection part 22, a second connection part 24, a third connection part 26, and a valve 28. The first connecting portion 22 is configured to be connectable to the brake operating device 12 . The second connecting portion 24 is configured to be connectable to the brake actuation device 14 . The third connecting portion 26 connects the first connecting portion 22 and the second connecting portion 24 . The valve 28 is provided in the third connection part 26 and controls the movement of fluid inside the first connection part 22 , the second connection part 24 , and the third connection part 26 . The third connection portion 26 constitutes a fluid flow path.

Preferably, the brake control device 20 has an ABS (Anti-lock Braking System) function. Preferably, the brake control device 20 includes an actuator 30. Actuator 30 drives valve 28 . Preferably, actuator 30 is an electric actuator. Actuator 30 is, for example, an electric motor.

Preferably, the brake control device 20 includes a control device 32. The control device 32 includes an arithmetic processing device that executes a predetermined control program. The arithmetic processing device includes, for example, a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The arithmetic processing units may be provided at multiple locations separated from each other. Control device 32 may include one or more microcomputers. Control device 32 is configured to control actuator 30 . The control device 32 may be provided in the brake control device 20 or may be provided outside the brake control device 20. The control device 32 drives the valve 28 in accordance with the operation of the brake operating device 12, for example.

Brake system 10 further includes a first flow path 16 and a second flow path 18. The first flow path 16 connects the third connection portion 26 and the brake operating device 12. The second flow path 18 connects the third connection portion 26 and the brake actuation device 14. The first connecting portion 22 constitutes at least a portion of the first flow path 16 . The second connection portion 24 constitutes at least a portion of the second flow path 18 . Preferably, the first flow path 16 includes a brake hose. Preferably, second flow path 18 includes a brake hose.

The brake system 10 operates the brake operating device 14 by moving fluid in the brake operating device 12, the brake operating device 14, and the brake control device 20 when the brake operating device 12 is operated. When the ABS is activated, the actuator 30 moves the valve 28 to close the flow path inside the third connection 26 . In this case, as the valve 28 moves, the volume of the fluid flow path closer to the brake actuator 14 than the valve 28 increases, and the fluid pressure within the brake actuator 14 decreases, so that locking of the wheels is suppressed.

Preferably, brake control device 20 includes a housing 34 . At least a portion of the third connection 26, the valve 28, and the actuator 30 are arranged inside the housing 34. Preferably, the housing 34 is configured to be attachable to the frame of a human-powered vehicle. Housing 34 may be located in the interior space of the frame or may be attached to the outer surface of the frame.

The configurations of the first connecting portion 22 and the second connecting portion 24 will be described with reference to FIGS. 4 to 8.
Preferably, one of the first connection part 22 and the second connection part 24 includes a brake hose 36, and the other of the first connection part 22 and the second connection part 24 is integrally formed with the third connection part 26. . In this embodiment, the first connection portion 22 includes a brake hose 36 . Brake hose 36 includes a first end 36A and a second end 36B opposite to first end 36A. The first end portion 36A is connected to the third connecting portion 26. In this embodiment, the second connection part 24 is formed integrally with the third connection part 26. In this embodiment, the brake hose 36 of the first connection portion 22 corresponds to the first flow path 16 . In this embodiment, the brake actuation device 14 preferably includes a second flow path 18 .

Preferably, the third connection portion 26 includes a first port 38 . At least a portion of the first port 38 is provided to be exposed from the housing 34. The first port 38 and the housing 34 may be provided separately, and the first port 38 may be attached to the housing 34. The first port 38 and the housing 34 may be provided integrally. A first end 36A of the brake hose 36 is connected to the first port 38. Preferably, the third connection section 26 includes a second port 40. At least a portion of the second port 40 is provided to be exposed from the housing 34. The second port 40 is formed integrally with the second connection portion 24 . The second port 40 and the housing 34 may be provided separately, and the second port 40 may be attached to the housing 34. The second port 40 and the housing 34 may be provided integrally.

The brake control device 20 is configured such that when the brake operating device 12 is not connected to the first connecting portion 22 and the brake operating device 14 is not connected to the second connecting portion 24, the third connecting portion 26 is filled with fluid. has been done. The state in which the brake operating device 12 is not connected to the first connecting portion 22 and the brake operating device 14 is not connected to the second connecting portion 24 includes, for example, the state of the brake control device 20 at the time of shipment.

Preferably, the brake control device 20 includes a seal member 42. In a state where the brake operating device 12 is not connected to the first connecting portion 22 and the brake operating device 14 is not connected to the second connecting portion 24, the sealing member 42 seals the third connecting portion 26 filled with fluid. Stop.

Preferably, the seal member 42 includes a first seal member 44 provided at the first connection portion 22 and a second seal member 46 provided at the second connection portion 24. The first sealing member 44 is removably provided on the first connecting portion 22 . In this embodiment, the first seal member 44 is provided at the second end 36B of the brake hose 36. The second seal member 46 is removably provided on the second connection portion 24 .

Preferably, at least one of the first seal member 44 and the second seal member 46 includes a first tip 48 that is capable of penetrating the outer seal member 70. Preferably, the external seal member 70 includes a membrane portion 70A. Preferably, external seal member 70 has a similar structure to first seal member 44 . The first tip portion 48 includes a through hole 48A. The through hole 48A is configured to allow fluid to flow between the third connecting portion 26 and the device provided with the external seal member 70 in a state where the first pointed end portion 48 penetrates the external seal member 70. . Preferably, at least one of the first seal member 44 and the second seal member 46 includes a membrane portion 50. The membrane portion 50 is configured to be penetrable by an external member 72 having a second pointed end portion 72A. Preferably, the second tip 72A includes a through hole 72B. The through hole 72B is configured to allow fluid to flow between the third connecting portion 26 and the external member 72 provided with the second pointed end 72A in a state where the second pointed end 72A penetrates the membrane portion 50. Ru. Preferably, the second tip 72A has a similar structure to the first tip 48.

Preferably, one of the first seal member 44 and the second seal member 46 includes a first tip 48 and the other of the first seal member 44 and the second seal member 46 includes a membrane portion 50. Preferably, an external sealing element 70 is included in the brake operating device 12 or 14 corresponding to the connection 22 , 24 in which the first tip 48 is provided. Preferably, the external member 72 is included in the brake operating device 12 or the brake actuating device 14 corresponding to the connection 22 , 24 in which the membrane part 50 is provided. In this embodiment, the first seal member 44 includes a membrane portion 50 and the second seal member 46 includes a first pointed portion 48 . In this embodiment, the external member 72 is provided in the brake operating device 12 .

Preferably, the seal member 42 includes an expansion absorber 52 . The expansion/absorption section 52 changes the volume of the fluid that accommodates the fluid in accordance with the change in the volume of the fluid filled inside the first connection section 22 , the second connection section 24 , and the third connection section 26 . Preferably, the expansion/absorption section 52 includes a member having elasticity. The expansion absorber 52 is, for example, a diaphragm. Preferably, the seal member 42 includes a covering portion 54 that covers the expansion absorbing portion 52 .

As shown in FIG. 6, in this embodiment, the expansion absorbing portion 52 is provided in the second seal member 46. Preferably, the second seal member 46 includes a first tip 48 and a cap member 56. First tip 48 is attached to second port 40 . The expansion absorbing portion 52 and the covering portion 54 are provided on the cap member 56. The cap member 56 includes a cylindrical outer peripheral portion 56A. The expansion absorbing portion 52 is provided at an intermediate portion of the cap member 56 in the axial direction of the cap member 56 . In the axial direction of the cap member 56, a portion of the outer peripheral portion 56A on the side opposite to the first pointed end portion 48 corresponds to the covering portion 54.

The seal member 42 is used in a closed state and an open state. Based on at least one of the fact that the brake operating device 12 is connected to the first connecting portion 22 and the brake operating device 14 is connected to the second connecting portion 24, the sealing member 70 changes from the closed state to the open state. become. The first seal member 44 is used in a first closed state and a first open state. When the brake operating device 12 is not connected to the first connecting portion 22, the first sealing member 44 is in the first closed state, and when the brake operating device 12 is connected to the first connecting portion 22, the first sealing member 44 is in the first closed state. 44 is the first open state. The second seal member 46 is used in a second closed state and a second open state. In a state in which the brake actuation device 14 is not connected to the second connection portion 24, the second seal member 46 is in the second closed state, and in a state in which the brake actuation device 14 is connected to the second connection portion 24, the second seal member 46 is in the second closed state. 46 is the second open state.

In this embodiment, the first closed state is a state in which the membrane portion 50 is closed, and the first open state is a state in which the membrane portion 50 is penetrated by the second tip portion 72A. In this embodiment, the second closed state is a state in which the external seal member 70 is closed, and the second open state is a state in which the cap member 56 is removed.

A method of filling the third connection portion 26 with fluid will be described. The fluid filling method includes a first procedure, a second procedure, and a third procedure.

In the first step, the first pointed end portion 48 of the second seal member 46 and the cap member 56 are attached to the second connection portion 24, and the second connection portion 24 is placed in the second closed state.
In the second procedure, fluid is supplied from the second end 36B of the brake hose 36 connected to the first port 38 to fill the third connection portion 26 and the brake hose 36 with the fluid.
In the third step, the first seal member 44 is attached to the second end 36B of the brake hose 36, and the first connection portion 22 is brought into the first closed state.

In the method of filling the third connection portion 26 with fluid, the first procedure and the third procedure may be interchanged. In this case, in the second step, fluid is supplied from the second port 40 to fill the third connection portion 26 and the brake hose 36 with the fluid.

The brake control device 20 is provided with the first seal member 44 in the first closed state and the second seal member 46 in the second closed state, is connected to the brake operating device 12 and the brake operating device 14, and is connected to the brake operating device 12 and the brake operating device 14 to operate the brake. A system 10 is manufactured.

A method for manufacturing the brake system 10 will be explained. The method for manufacturing the brake system 10 includes a fourth procedure, a fifth procedure, and a sixth procedure. Preferably, the brake operating device 12 and the brake operating device 14 used in the method for manufacturing the brake system 10 are each filled with fluid.

In the fourth step, the second tip portion 72A provided on the brake operating device 12 penetrates the membrane portion 50 of the first seal member 44, and the first seal member 44 changes from the first closed state to the first open state. The fourth procedure allows fluid to flow between the third connection portion 26 and the brake operating device 12.
In the fifth step, the cap member 56 of the second seal member 46 is removed from the second connecting portion 24, and the second seal member 46 changes from the second closed state to the second open state.
In the sixth step, the first tip portion 48 is penetrated through the membrane portion 50 of the seal member 70 provided in the brake actuation device 14 . The sixth procedure allows fluid to flow between the third connection 26 and the brake actuation device 14.

The fourth procedure may be performed after the fifth procedure or after the sixth procedure. The fourth procedure and the fifth procedure or the fifth procedure may be performed simultaneously.

<Modified example>
The description of the embodiments is an example of the form that the brake control device for a human-powered vehicle according to the present disclosure can take, and is not intended to limit the form. The brake control device for a human-powered vehicle according to the present disclosure may take, for example, a modification of the embodiment shown below, or a combination of at least two modifications that are not mutually contradictory. In the following modified examples, the same parts as in the embodiment are given the same reference numerals as in the embodiment, and the explanation thereof will be omitted.

- In the brake control device 20, the third connection portion 26 does not need to be filled with fluid. In this case, the brake control device 20 includes a first connection part 22, a second connection part 24, a third connection part 26, a valve 28, and a seal member 70. The seal member 42 seals the third connection portion 26 filled with fluid when the brake operation device 12 is not connected to the first connection portion 22 and the brake operation device 14 is not connected to the second connection portion 24. Stop. In this modification, for example, when the brake control device 20 is shipped and the brake system 10 is manufactured in a state where the third connection portion 26 is not filled with fluid, the cap member 56 is attached to the second connection portion 24. It may be removed and filled with fluid from the third connection portion 26. In this case, by reattaching the cap member 56 to the second connection part 24, the state in which the third connection part 26 is filled with fluid can be maintained until the second connection part 24 is connected to the brake actuation device 14.

- The first connection portion 22 does not need to include the brake hose 36. In this case, the first connecting portion 22 is configured similarly to the second connecting portion 24 and may be closed by a sealing member 42 similar to the second sealing member 46 instead of the first sealing member 44 .

- The second connection portion 24 may include a brake hose. In this case, the second connecting portion 24 may be configured similarly to the first connecting portion 22 and may be closed by a sealing member 42 similar to the first sealing member 44 instead of the second sealing member 46 .

- The brake control device 20 does not need to include the seal member 42. In this case, for example, if the first connection part 22 and the second connection part 24 include a brake hose 36, a part of the brake hose 36 may be crimped to close the first connection part 22. In this case, the first connecting portion 22 and the second connecting portion 24 are opened, for example, by cutting off the crimped portion.

- As shown in FIG. 9, the sealing member 42 may be urged against the second connecting portion 24 by an elastic member 58. The seal member 42 in FIG. 9 includes a large diameter portion 42A and a small diameter portion 42B. Brake actuation device 14 in FIG. 9 includes brake hose 74. Brake actuation device 14 in FIG. When the second connecting portion 24 is not connected to the brake actuating device 14, the sealing member 42 is in a closed state in which the large diameter portion 42A contacts the stepped portion provided in the second port 40 to close the second port 40. become. When the second connecting portion 24 is connected to the brake actuating device 14, for example, the contact member 60 provided at the end of the brake hose 74 contacts the small diameter portion 42B of the seal member 42 as shown in FIG. , the large diameter portion 42A is pushed in a direction away from the stepped portion provided at the second port 40. When the large diameter portion 42A is separated from the stepped portion provided in the second port 40, a hole provided in the small diameter portion 42B that can communicate with the brake hose 74 communicates with the second port 40, and the seal member 42 becomes open. . Preferably, the brake actuation device 14 is provided with an engagement portion 62 for maintaining the seal member 42 in a position corresponding to the open state. The engaging portion 62 is, for example, a male threaded portion that can be engaged with a female threaded portion provided on the housing 34 .

- In the modification shown in FIG. 9, the contact member 60 may be connected to the brake hose 74 by a joining member 64, as shown in FIG. Preferably, joining member 64 includes a metallic material that is deformable when engaging portion 62 engages housing 34 . The joining member 64 is formed into a cylindrical shape, for example, and includes a convex portion that projects in the radial direction. The end of the brake hose 74 is disposed inside the joint member 64 so as to contact one surface of the convex portion, and the abutting member 60 is disposed inside the joint member 64 so as to contact the other surface of the convex portion. will be placed in

- The brake control device 20 may be provided with the expansion absorbing portion 52 instead of or in addition to the seal member 42. In this case, for example, the expansion absorbing portion 52 is provided at the third connecting portion 26.

The expression "at least one" as used herein means "one or more" of the desired options. As an example, the expression "at least one" as used herein means "only one option" or "both of the two options" if the number of options is two. As another example, the expression "at least one" as used herein means "only one option" or "any combination of two or more options" if there are three or more options. means.

DESCRIPTION OF SYMBOLS 12... Brake operating device, 14... Brake operating device, 20... Brake control device, 22... First connection part, 24... Second connection part, 26... Third connection part, 28... Valve, 36... Brake hose, 42... Seal member, 44...first seal member, 46...second seal member, 48...first tip, 50...membrane part, 52...expansion absorbing part, 54...coating part, 70...external sealing member, 72...exterior Member, 72A...second tip portion.

Claims (18)

A brake control device for a human-powered vehicle,
a first connection part configured to be connectable to a brake operating device;
a second connection part configured to be connectable to a brake actuation device;
a third connection part that connects the first connection part and the second connection part;
a valve provided in the third connection part to control movement of fluid inside the first connection part, the second connection part, and the third connection part;
The third connecting portion is filled with the fluid in a state where the brake operating device is not connected to the first connecting portion and the brake operating device is not connected to the second connecting portion. Control device. a sealing member that seals the third connection portion filled with the fluid in a state in which the brake operation device is not connected to the first connection portion and the brake operation device is not connected to the second connection portion; The brake control device according to claim 1, comprising: A brake control device for a human-powered vehicle,
a first connection part configured to be connectable to a brake operating device;
a second connection part configured to be connectable to a brake actuation device;
a third connection part that connects the first connection part and the second connection part;
a valve that is provided in the third connection part and controls movement of fluid inside the first connection part, the second connection part, and the third connection part;
a sealing member that seals the third connection portion filled with the fluid in a state in which the brake operation device is not connected to the first connection portion and the brake operation device is not connected to the second connection portion; A brake control device comprising: The brake control device according to claim 2 or 3, wherein the seal member includes a first seal member provided at the first connection portion and a second seal member provided at the second connection portion. the first connection portion includes a brake hose;
The brake hose includes a first end connected to the third connection part, and a second end opposite to the first end,
The brake control device according to claim 4, wherein the first seal member is provided at the second end of the brake hose. The brake control device according to claim 4 or 5, wherein the second connecting portion is integrally formed with the third connecting portion. The brake control device according to any one of claims 4 to 6, wherein the first seal member is removably provided to the first connection portion. The brake control device according to any one of claims 4 to 7, wherein the second seal member is removably provided to the second connection portion. The brake control device according to any one of claims 4 to 8, wherein at least one of the first seal member and the second seal member includes a first pointed end that can penetrate an external seal member. According to any one of claims 4 to 8, at least one of the first sealing member and the second sealing member includes a membrane portion configured to be penetrated by an external member having a second tip portion. brake control device. One of the first seal member and the second seal member includes a first pointed end that can penetrate an external seal member,
The brake according to any one of claims 4 to 8, wherein the other of the first seal member and the second seal member includes a membrane portion configured to be penetrated by an external member having a second tip. Control device. The first sealing member is used in a first closed state and a first open state,
In a state where the brake operating device is not connected to the first connection part, the first seal member is in the first closed state,
The brake control device according to any one of claims 4 to 11, wherein the first seal member is in the first open state when the brake operating device is connected to the first connection portion. The second sealing member is used in a second closed state and a second open state,
In a state where the brake actuating device is not connected to the second connection portion, the second seal member is in the second closed state,
The brake control device according to any one of claims 4 to 12, wherein the second seal member is in the second open state when the brake actuation device is connected to the second connection portion. The sealing member is used in a closed state and an open state,
Based on at least one of the brake operating device being connected to the first connecting portion and the brake operating device being connected to the second connecting portion, the sealing member changes from the closed state to the closing state. The brake control device according to any one of claims 2 to 11, which is in an open state. The sealing member is an expansion absorber that changes the volume of the fluid that accommodates the fluid in accordance with changes in the volume of the fluid filled inside the first connecting portion, the second connecting portion, and the third connecting portion. The brake control device according to any one of claims 2 to 14, comprising a brake control device. The brake control device according to claim 15, wherein the sealing member includes a covering portion that covers the expansion absorbing portion. The first connecting portion, the second connecting portion, and the third connecting portion include an expansion/absorbing portion that changes a volume that accommodates the fluid according to a change in volume of the fluid filled inside the third connecting portion. The brake control device according to any one of Items 1 to 14. The brake control device according to any one of claims 15 to 17, wherein the expansion/absorption section includes a member having elasticity.